CheckboxGroup

'use client';
import {mergeProps} from 'react-aria/mergeProps';
import {
  useCheckboxGroup,
  useCheckboxGroupItem,
  type AriaCheckboxGroupProps,
  type AriaCheckboxGroupItemProps
} from 'react-aria/useCheckboxGroup';
import {useFocusRing} from 'react-aria/useFocusRing';
import {useHover} from 'react-aria/useHover';
import {useCheckboxGroupState, type CheckboxGroupState} from 'react-stately/useCheckboxGroupState';
import {VisuallyHidden} from 'react-aria/VisuallyHidden';
import React, {useRef} from 'react';
import './CheckboxGroup.css';
import './Checkbox.css';

export interface CheckboxGroupProps extends AriaCheckboxGroupProps {
  children?: React.ReactNode;
  /**
   * The axis the checkboxes should align with (Vanilla CSS implementation specific).
   *
   * @default 'vertical'
   */
  orientation?: 'horizontal' | 'vertical';
}

// The group state is shared with each item through React context.
let CheckboxGroupContext = React.createContext<CheckboxGroupState | null>(null);

export function CheckboxGroup({children, orientation = 'vertical', ...props}: CheckboxGroupProps) {
  // useCheckboxGroupState manages the selected values for the group.
  let state = useCheckboxGroupState(props);
  let {groupProps, labelProps} = useCheckboxGroup(props, state);

  return (
    <div
      {...groupProps}
      className="react-aria-CheckboxGroup"
      data-orientation={orientation}
      data-readonly={state.isReadOnly || undefined}
      data-invalid={state.isInvalid || undefined}
      data-disabled={props.isDisabled || undefined}>
      {props.label && (
        <span {...labelProps} className="react-aria-Label">
          {props.label}
        </span>
      )}
      <div className="checkbox-items">
        <CheckboxGroupContext.Provider value={state}>{children}</CheckboxGroupContext.Provider>
      </div>
    </div>
  );
}

export function Checkbox(props: AriaCheckboxGroupItemProps) {
  let state = React.useContext(CheckboxGroupContext)!;
  let ref = useRef<HTMLInputElement>(null);
  /*- begin highlight -*/
  let {inputProps, isSelected, isPressed, isDisabled, isReadOnly, isInvalid} = useCheckboxGroupItem(
    props,
    state,
    ref
  );
  /*- end highlight -*/
  let {hoverProps, isHovered} = useHover({isDisabled: isDisabled || isReadOnly});
  let {isFocused, isFocusVisible, focusProps} = useFocusRing();

  return (
    <div className="react-aria-CheckboxField" data-disabled={isDisabled || undefined}>
      <label
        {...hoverProps}
        className="react-aria-CheckboxButton"
        data-selected={isSelected || undefined}
        data-pressed={isPressed || undefined}
        data-hovered={isHovered || undefined}
        data-focused={isFocused || undefined}
        data-focus-visible={isFocusVisible || undefined}
        data-disabled={isDisabled || undefined}
        data-readonly={isReadOnly || undefined}
        data-invalid={isInvalid || undefined}>
        <VisuallyHidden elementType="span">
          <input {...mergeProps(inputProps, focusProps)} ref={ref} />
        </VisuallyHidden>
        <div className="indicator">
          <svg viewBox="0 0 18 18" aria-hidden="true">
            <polyline points="2 9 7 14 16 4" />
          </svg>
        </div>
        {props.children}
      </label>
    </div>
  );
}

@import './theme.css';
@import './Form.css';

.react-aria-CheckboxGroup {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);

  .checkbox-items {
    display: flex;
    gap: var(--spacing-3);
    flex-direction: column;
  }

  &[data-orientation='vertical'] .checkbox-items {
    flex-direction: column;
  }

  &[data-orientation='horizontal'] .checkbox-items {
    flex-direction: row;
  }
}

/* colors */
:root {
  /* Change this variable to set the theme color for all components. */
  /* You can use the below presets, or choose a custom color. */
  --tint: var(--indigo);

  /* theme colors */
  /* lightness channel is only used as a multiplier for chroma (see below) */
  --gray: oklch(0.5 0 0);
  --red: oklch(0.6 0.181447 27.0726);
  --orange: oklch(0.7 0.150492 54);
  --yellow: oklch(0.8 0.128516 73.8032);
  --turquoise: oklch(0.5 0.081146 205.114);
  --cyan: oklch(0.4 0.142107 243.926);
  --green: oklch(0.5 0.121276 155.372);
  --blue: oklch(0.5 0.22049 266.315);
  --indigo: oklch(1 0.25049 284.23);
  --purple: oklch(0.7 0.223324 302);
  --pink: oklch(0.6 0.177717 347.813);

  /** tint color scale */
  --tint-100: oklch(from var(--tint) var(--lightness-100) var(--chroma-100) h);
  --tint-200: oklch(from var(--tint) var(--lightness-200) var(--chroma-200) h);
  --tint-300: oklch(from var(--tint) var(--lightness-300) var(--chroma-300) h);
  --tint-400: oklch(from var(--tint) var(--lightness-400) var(--chroma-400) h);
  --tint-500: oklch(from var(--tint) var(--lightness-500) var(--chroma-500) h);
  --tint-600: oklch(from var(--tint) var(--lightness-600) var(--chroma-600) h);
  --tint-700: oklch(from var(--tint) var(--lightness-700) var(--chroma-700) h);
  --tint-800: oklch(from var(--tint) var(--lightness-800) var(--chroma-800) h);
  --tint-900: oklch(from var(--tint) var(--lightness-900) var(--chroma-900) h);
  --tint-1000: oklch(from var(--tint) var(--lightness-1000) var(--chroma-1000) h);
  --tint-1100: oklch(from var(--tint) var(--lightness-1100) var(--chroma-1100) h);
  --tint-1200: oklch(from var(--tint) var(--lightness-1200) var(--chroma-1200) h);
  --tint-1300: oklch(from var(--tint) var(--lightness-1300) var(--chroma-1300) h);
  --tint-1400: oklch(from var(--tint) var(--lightness-1400) var(--chroma-1400) h);
  --tint-1500: oklch(from var(--tint) var(--lightness-1500) var(--chroma-1500) h);
  --tint-1600: oklch(from var(--tint) var(--lightness-1600) var(--chroma-1600) h);

  /* gray scale */
  --gray-100: oklch(from var(--gray) var(--lightness-100) c h);
  --gray-200: oklch(from var(--gray) var(--lightness-200) c h);
  --gray-300: oklch(from var(--gray) var(--lightness-300) c h);
  --gray-400: oklch(from var(--gray) var(--lightness-400) c h);
  --gray-500: oklch(from var(--gray) var(--lightness-500) c h);
  --gray-600: oklch(from var(--gray) var(--lightness-600) c h);
  --gray-700: oklch(from var(--gray) var(--lightness-700) c h);
  --gray-800: oklch(from var(--gray) var(--lightness-800) c h);
  --gray-900: oklch(from var(--gray) var(--lightness-900) c h);
  --gray-1000: oklch(from var(--gray) var(--lightness-1000) c h);
  --gray-1100: oklch(from var(--gray) var(--lightness-1100) c h);
  --gray-1200: oklch(from var(--gray) var(--lightness-1200) c h);
  --gray-1300: oklch(from var(--gray) var(--lightness-1300) c h);
  --gray-1400: oklch(from var(--gray) var(--lightness-1400) c h);
  --gray-1500: oklch(from var(--gray) var(--lightness-1500) c h);
  --gray-1600: oklch(from var(--gray) var(--lightness-1600) c h);
}

/* light mode colors */
:root {
  --background-color: #f8f8f8;
  --gray-50: #ffffff;

  --lightness-100: 98.1187%;
  --lightness-200: 95.2045%;
  --lightness-300: 91.1434%;
  --lightness-400: 85.1751%;
  --lightness-500: 79.1773%;
  --lightness-600: 72.3297%;
  --lightness-700: 67.0121%;
  --lightness-800: 62.3039%;
  --lightness-900: 57.9699%;
  --lightness-1000: 51.9076%;
  --lightness-1100: 46.9058%;
  --lightness-1200: 41.0821%;
  --lightness-1300: 35.3616%;
  --lightness-1400: 29.6725%;
  --lightness-1500: 24.5366%;
  --lightness-1600: 16.6959%;

  /* lower chroma at low lightness levels */
  --chroma-100: calc(l * c * 0.5);
  --chroma-200: calc(l * c * 0.6);
  --chroma-300: calc(l * c * 0.7);
  --chroma-400: calc(l * c * 0.8);
  --chroma-500: calc(l * c * 0.9);
  --chroma-600: c;
  --chroma-700: c;
  --chroma-800: c;
  --chroma-900: c;
  --chroma-1000: c;
  --chroma-1100: c;
  --chroma-1200: c;
  --chroma-1300: c;
  --chroma-1400: c;
  --chroma-1500: c;
  --chroma-1600: c;

  --highlight-hover: rgb(0 0 0 / 0.07);
  --highlight-pressed: rgb(0 0 0 / 0.15);
  --overlay-background: var(--gray-50);
  --overlay-border: rgb(0 0 0 / 0.06);
  --popover-shadow: 0 8px 20px rgba(0 0 0 / 0.12);
}

/* dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #1b1b1b;
    --gray-50: oklch(22% 0 0);

    --lightness-100: 29.6725%;
    --lightness-200: 35.3616%;
    --lightness-300: 41.0821%;
    --lightness-400: 46.9058%;
    --lightness-500: 51.9076%;
    --lightness-600: 57.9699%;
    --lightness-700: 56.1347%;
    --lightness-800: 59.2866%;
    --lightness-900: 62.3039%;
    --lightness-1000: 67.0121%;
    --lightness-1100: 72.3297%;
    --lightness-1200: 79.1773%;
    --lightness-1300: 85.1751%;
    --lightness-1400: 91.1434%;
    --lightness-1500: 95.2045%;
    --lightness-1600: 100%;

    --highlight-hover: rgb(255 255 255 / 0.1);
    --highlight-pressed: rgb(255 255 255 / 0.2);
    --overlay-background: var(--gray-100);
    --overlay-border: rgb(255 255 255 / 0.2);
    --popover-shadow: 0 8px 20px rgba(0 0 0 / 0.5);
  }
}

/* Semantic colors */
:root {
  --focus-ring-color: var(--tint-1000);
  --text-color: var(--gray-1200);
  --text-color-hover: var(--gray-1300);
  --text-color-disabled: var(--gray-600);
  --text-color-placeholder: var(--gray-1000);
  --link-color: var(--tint-1200);
  --link-color-secondary: var(--gray-1200);
  --link-color-pressed: var(--tint-1300);
  --border-color: var(--gray-400);
  --border-color-hover: var(--gray-500);
  --border-color-disabled: var(--gray-300);
  --field-text-color: var(--gray-1400);
  --button-background: var(--tint-100);
  --button-background-pressed: var(--tint-200);
  /* these colors are the same between light and dark themes
   * to ensure contrast with the foreground color */
  --highlight-background: oklch(from var(--tint) 55% c h);
  --highlight-background-pressed: oklch(from var(--tint) 50% c h);
  --highlight-background-invalid: oklch(from var(--red) var(--lightness-900) c h);
  --highlight-foreground: white;
  --highlight-overlay: oklch(from var(--tint-1000) l c h / 15%);
  --invalid-color: oklch(from var(--red) var(--lightness-1000) c h);
  --field-background: var(--gray-50);
}

/* Windows high contrast mode overrides */
@media (forced-colors: active) {
  :root {
    --background-color: Canvas;
    --focus-ring-color: Highlight;
    --text-color: ButtonText;
    --text-color-hover: ButtonText;
    --text-color-disabled: GrayText;
    --text-color-placeholder: ButtonText;
    --link-color: LinkText;
    --link-color-secondary: LinkText;
    --link-color-pressed: LinkText;
    --border-color: ButtonBorder;
    --border-color-hover: ButtonBorder;
    --border-color-pressed: ButtonBorder;
    --border-color-disabled: GrayText;
    --field-background: Field;
    --field-text-color: FieldText;
    --overlay-background: Canvas;
    --overlay-border: ButtonBorder;
    --button-background: ButtonFace;
    --button-background-pressed: ButtonFace;
    --highlight-background: Highlight;
    --highlight-background-pressed: Highlight;
    --highlight-background-invalid: LinkText;
    --highlight-foreground: HighlightText;
    --invalid-color: LinkText;
  }
}

/* typography and spacing scale */
:root {
  --font-size: 0.875rem; /* 14px */
  --font-size-sm: 0.75rem; /* 12px */
  --font-size-lg: 1rem; /* 16px */
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 10px;
  --radius-xl: 16px;
  --spacing: 0.25rem; /* 4px */
  --spacing-1: var(--spacing);
  --spacing-2: calc(2 * var(--spacing));
  --spacing-3: calc(3 * var(--spacing));
  --spacing-4: calc(4 * var(--spacing));
  --spacing-5: calc(5 * var(--spacing));
  --spacing-6: calc(6 * var(--spacing));
  --spacing-7: calc(7 * var(--spacing));
  --spacing-8: calc(8 * var(--spacing));
  --spacing-9: calc(9 * var(--spacing));
  --spacing-10: calc(10 * var(--spacing));
}

/* Scale up hit targets on high resolution mobile devices. */
@media (min-resolution: 200dpi) {
  :root {
    --spacing: calc(0.25rem * 1.25);
    --font-size: 1.0625rem; /* 17px */
    --font-size-sm: 0.9375rem; /* 15px */
    --font-size-lg: 1.25rem; /* 20px */
  }
}

@import './theme.css';

.react-aria-Form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);

  > .react-aria-Button {
    align-self: start;
  }
}

.react-aria-Form [role='alert'] {
  border: 2px solid var(--invalid-color);
  background: var(--overlay-background);
  border-radius: 6px;
  padding: 12px;
  max-width: 250px;
  outline: none;

  &:focus {
    outline: 2px solid var(--focus-ring-color);
    outline-offset: 2px;
  }

  h3 {
    margin-top: 0;
  }

  p {
    margin-bottom: 0;
  }
}

.react-aria-Label {
  display: block;
  font: var(--font-size) system-ui;
  color: var(--text-color);
  margin-bottom: var(--spacing-2);
  font-weight: 500;
  cursor: default;
}

.react-aria-FieldError {
  display: block;
  font: var(--font-size-sm) system-ui;
  color: var(--invalid-color);
  margin-top: var(--spacing-1);
  contain: inline-size;
}

.field-description {
  display: block;
  font: var(--font-size-sm) system-ui;
  margin-top: var(--spacing-1);
  contain: inline-size;

  [data-invalid] > & {
    display: none;
  }
}

.field-Button {
  background: var(--tint-200);
  color: var(--tint-1400);
  forced-color-adjust: none;
  border-radius: var(--radius-sm);
  border: none;
  margin-left: calc(-1 * var(--spacing-8) + 4px);
  height: calc(100% - 8px);
  aspect-ratio: 1/1;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition-property: scale, background;
  transition-duration: 200ms;
  -webkit-tap-highlight-color: transparent;

  svg {
    width: var(--spacing-4);
    height: var(--spacing-4);
  }

  &:where([data-hovered], [data-pressed]) {
    background: var(--tint-300);
    color: var(--tint-1200);
  }

  @media (forced-colors: active) {
    background: Highlight;
    color: HighlightText;
  }

  &[data-pressed] {
    scale: 0.9;
  }

  &[data-focus-visible] {
    outline: 2px solid var(--focus-ring-color);
    outline-offset: 2px;
  }

  &[data-disabled] {
    background: none;
    color: var(--text-color-disabled);
  }
}

@import './theme.css';
@import './utilities.css';

.react-aria-CheckboxField {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);

  [slot='description'],
  .react-aria-FieldError {
    margin-left: calc(var(--spacing) * 6.5);
  }

  &[data-disabled] [slot='description'] {
    color: var(--text-color-disabled);
  }
}

.react-aria-CheckboxButton {
  --checkmark-color: var(--highlight-foreground);

  display: flex;
  /* This is needed so the HiddenInput is positioned correctly */
  position: relative;
  align-items: center;
  gap: var(--spacing-2);
  font: var(--font-size) system-ui;
  color: var(--text-color);
  forced-color-adjust: none;
  -webkit-tap-highlight-color: transparent;

  .indicator {
    width: calc(var(--spacing) * 4.5);
    height: calc(var(--spacing) * 4.5);
    box-sizing: border-box;
    border-radius: var(--radius-sm);
    transition: all 200ms;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  svg {
    width: calc(100% - var(--spacing-2));
    height: calc(100% - var(--spacing-2));
    fill: none;
    stroke: var(--checkmark-color);
    stroke-width: 3px;
    stroke-dasharray: 22px;
    stroke-dashoffset: 66;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: all 200ms;
  }

  &[data-selected],
  &[data-indeterminate] {
    svg {
      stroke-dashoffset: 44;
    }
  }

  &[data-indeterminate] {
    svg {
      stroke: none;
      fill: var(--checkmark-color);
    }
  }

  &[data-disabled] {
    color: var(--text-color-disabled);
    --checkmark-color: var(--text-color-disabled);
  }
}

@layer utilities {
  /* utility that creates a button-like element, which can be optionally selected */
  .button-base {
    --button-color: var(--tint);
    --button-background: oklch(from var(--button-color) var(--lightness-100) var(--chroma-100) h);
    --button-gradient: oklch(from var(--button-color) var(--lightness-200) var(--chroma-200) h);
    --button-border: oklch(from var(--button-color) var(--lightness-300) var(--chroma-300) h);
    --button-highlight: rgb(255 255 255 / 0.8);
    --button-shadow: oklch(from var(--button-color) var(--lightness-400) var(--chroma-400) h);
    --button-border-size: 1px;
    --button-text: oklch(from var(--button-color) var(--lightness-1400) var(--chroma-1400) h);
    --button-gradient-size: 8px;

    background: var(--button-background);
    color: var(--button-text);
    box-shadow:
      inset 0 -1px 0 var(--button-shadow),
      /* bottom shadow */ inset 0 0 0 var(--button-border-size) var(--button-border),
      /* border */ inset 0px calc(var(--button-border-size) + 1px) 0px var(--button-highlight),
      /* top specular highlight */ inset 0px calc(-1 * var(--button-gradient-size))
        var(--button-gradient-size) -2px var(--button-gradient); /* inner gradient */
    outline: none;
    transition-property: background, color, scale, box-shadow;
    transition-duration: 200ms;
    will-change: scale;
    forced-color-adjust: none;
    -webkit-tap-highlight-color: transparent;

    @media (prefers-color-scheme: dark) {
      --button-shadow: oklch(from var(--button-color) var(--lightness-200) var(--chroma-200) h);
      --button-highlight: rgb(255 255 255 / 0.15);
      box-shadow:
        inset 0 var(--button-border-size) 0 var(--button-highlight),
        /* top specular highlight */ inset 0 calc(-1 * var(--button-border-size)) 0
          var(--button-shadow),
        /* bottom shadow */ inset 0 0 0 var(--button-border-size) var(--button-border),
        /* border */ inset 0 var(--button-gradient-size) var(--button-gradient-size) -2px
          var(--button-gradient); /* inner gradient */
    }

    &:where([data-pressed]) {
      --button-background: oklch(from var(--button-color) var(--lightness-200) var(--chroma-200) h);
    }

    &:where([data-focus-visible]) {
      outline: 2px solid var(--focus-ring-color);
      outline-offset: 2px;
    }

    &:where([data-variant='secondary']) {
      --button-color: var(--gray);
    }

    &:where([data-variant='quiet']) {
      --button-background: none;
      --button-text: var(--text-color);
      box-shadow: 0 0 0 1px transparent;

      &:where([data-hovered], [data-pressed]) {
        --button-background: var(--tint-200);
        --button-text: var(--tint-1400);
        box-shadow: 0 0 0 1px var(--tint-200);
      }
    }

    &:where([data-selected]) {
      --button-background: oklch(from var(--button-color) 55% c h);
      --button-border: oklch(from var(--button-color) 50% c h);
      --button-gradient: var(--button-border);
      --button-highlight: rgb(255 255 255 / 0.2);
      --button-shadow: oklch(from var(--button-color) 30% c h);
      --button-text: var(--highlight-foreground);

      box-shadow:
        inset 0 -1px 0 var(--button-shadow),
        /* bottom shadow */ inset 0 0 0 1px var(--button-border),
        /* border */ inset 0 2px 0 var(--button-highlight),
        /* top specular highlight */ inset 0 calc(-1 * var(--button-gradient-size))
          var(--button-gradient-size) var(--button-gradient); /* inner gradient */

      @media (prefers-color-scheme: dark) {
        --button-highlight: rgb(255 255 255 / 0.4);
        --button-gradient: rgb(255 255 255 / 0.2);
        --button-shadow: var(--button-border);
        box-shadow:
          inset 0 1px 0 var(--button-highlight),
          /* top specular highlight */ inset 0 var(--button-gradient-size)
            var(--button-gradient-size) var(--button-gradient),
          /* inner gradient */ inset 0 0 0 1px var(--button-border); /* border */
      }

      &:where([data-pressed]) {
        --button-background: oklch(from var(--button-color) 50% c h);
      }
    }

    &:where([data-disabled]) {
      box-shadow: none;
      --button-background: var(--border-color-disabled);
      --button-text: var(--text-color-disabled);

      &:where([data-variant='quiet']) {
        --button-background: none;
      }
    }

    @media (forced-colors: active) {
      --button-background: ButtonFace;
      --button-text: ButtonText;
      --button-border: ButtonBorder;
      box-shadow: inset 0 0 0 var(--button-border-size) var(--button-border);

      &:where([data-variant='quiet']) {
        --button-border: transparent;
        &:where([data-hovered], [data-pressed]) {
          --button-border: ButtonBorder;
        }
      }

      &:where([data-selected]) {
        --button-background: Highlight;
        --button-text: HighlightText;
        --button-border: Highlight;
      }

      &:where([data-disabled]) {
        --button-background: ButtonFace;
        --button-text: GrayText;
        --button-border: GrayText;

        &:where([data-variant='quiet']) {
          --button-border: transparent;
        }
      }
    }
  }

  /* utility that creates a small indicator, such as a checkbox, radio, switch, or slider thumb */
  .indicator {
    --indicator-color: var(--gray);
    --indicator-background: oklch(
      from var(--indicator-color) var(--lightness-100) var(--chroma-100) h
    );
    --indicator-border: oklch(from var(--indicator-color) var(--lightness-800) var(--chroma-800) h);
    --indicator-drop-shadow: 0 0;

    background: var(--indicator-background);
    box-shadow:
      inset 0 0 0 1px var(--indicator-border),
      /* border */ inset 0 2px 0 white,
      /* top specular highlight */ inset 0 -4px 2px
        oklch(from var(--indicator-color) 30% c h / 0.08),
      /* inner gradient */ var(--indicator-drop-shadow); /* optional drop shadow */
    will-change: scale;

    @media (prefers-color-scheme: dark) {
      box-shadow:
        inset 0 1px 0 rgb(255 255 255 / 0.4),
        /* top specular highlight */ inset 0 4px 2px rgb(255 255 255 / 0.1),
        /* inner shadow */ inset 0 0 0 1px var(--indicator-border),
        /* border */ var(--indicator-drop-shadow); /* optional drop shadow */
    }

    @media (forced-colors: active) {
      --indicator-background: ButtonFace;
      --indicator-border: ButtonBorder;
      box-shadow: inset 0 0 0 1px var(--indicator-border);
    }

    &[data-pressed],
    [data-pressed] & {
      scale: 0.9;
    }

    [data-selected] > &,
    [data-indeterminate] > & {
      --indicator-color: var(--highlight-background);
      --indicator-background: var(--indicator-color);
      --indicator-highlight: rgb(255 255 255 / 0.3);
      --indicator-shadow: oklch(from var(--indicator-color) 45% c h);
      --indicator-border: var(--indicator-background);
      box-shadow:
        inset 0 -1px 0 var(--indicator-shadow),
        /* bottom shadow */ inset 0 0 0 1px var(--indicator-border),
        /* border */ inset 0 2px 0 var(--indicator-highlight),
        /* top specular highlight */ var(--indicator-drop-shadow); /* optional drop shadow */

      @media (prefers-color-scheme: dark) {
        --indicator-highlight: rgb(255 255 255 / 0.5);
        --indicator-gradient: rgb(255 255 255 / 0.12);
        box-shadow:
          inset 0 1px 0 var(--indicator-highlight),
          /* top specular highlight */ inset 0 4px 2px var(--indicator-gradient),
          /* inner gradient */ inset 0 0 0 1px var(--indicator-border),
          /* border */ var(--indicator-drop-shadow); /* optional drop shadow */
      }

      @media (forced-colors: active) {
        box-shadow: none;
      }
    }

    &[data-invalid],
    [data-invalid] > & {
      --indicator-color: var(--invalid-color);

      @media (forced-colors: active) {
        --indicator-border: var(--invalid-color);
      }
    }

    &[data-focus-visible],
    [data-focus-visible] > & {
      outline: 2px solid var(--focus-ring-color);
      outline-offset: 2px;
    }

    &[data-disabled],
    [data-disabled] > & {
      background: var(--field-background);
      box-shadow: inset 0 0 0 1px var(--border-color-disabled);
    }
  }

  /* utility that creates an inset effect, used for form fields, slider/progress tracks, etc. */
  .inset {
    --inset-background: var(--field-background);
    --inset-border: var(--border-color);
    --inset-border-size: 1px;
    --inset-shadow-offset: 2px;
    --inset-shadow-size: 4px;

    background: var(--inset-background);
    box-shadow:
      inset 0 0 0 var(--inset-border-size) var(--inset-border),
      /* border */ inset 0 var(--inset-shadow-offset) var(--inset-shadow-size) rgb(0 0 0 / 0.15),
      /* inner shadow */ 0 1px 0 var(--gray-50); /* bottom specular highlight */
    transition: box-shadow 200ms;
    forced-color-adjust: none;

    @media (prefers-color-scheme: dark) {
      --inset-border: var(--gray-200);
      --border-color-hover: var(--gray-300);
      --inset-highlight: var(--gray-400);
      --inset-shadow-size: 6px;
      box-shadow:
        inset 0 calc(-1 * var(--inset-border-size)) 0 var(--inset-highlight),
        /* bottom specular highlight */ inset 0 0 0 var(--inset-border-size) var(--inset-border),
        /* border */ inset 0 1px var(--inset-shadow-size) rgb(0 0 0); /* inner shadow */
    }

    &:where([data-hovered], [data-pressed]) {
      --inset-border: var(--border-color-hover);
    }

    @media (forced-colors: active) {
      --inset-border: ButtonBorder;
      box-shadow: inset 0 0 0 var(--inset-border-size) var(--inset-border);
    }

    &:where([data-invalid]) {
      --inset-border: var(--invalid-color);
      --inset-highlight: var(--inset-border);
    }

    &:where([data-disabled]) {
      box-shadow: inset 0 0 0 1px var(--border-color-disabled);
    }

    &.track {
      --inset-shadow-offset: 1px;
      --inset-shadow-size: 3px;

      @media (prefers-color-scheme: light) {
        --inset-background: var(--gray-300);
        --inset-border: var(--gray-500);
        --inset-border-size: 0.5px;
      }

      @media (forced-colors: active) {
        --inset-background: Field;
        --inset-border: ButtonBorder;
        --inset-border-size: 1px;
      }
    }
  }
}